PRODUCT NAME: Vitamin E Oil (DL-Alpha-Tocophery Acetate 98% Min.)
ITEM | STANDARD | RESULTS |
Appearance | Clear, Slightly greenish-yellow, viscous, oily liquid | Conform |
Assay (%) | 98%-102% | 98.8% |
Solubility | Practically insoluble in water, freely soluble in absolute ethanol, in acdetone, in chlormform, in ether and in fixed oils, soluble in ethanol (98%) | Conform |
Identification | A: Colour test; B: Optical rotataion test; C: The retention time of the sample preparation is the same as that of the standard preparation | Meets A, B, C tests |
Acidity | Max 1.0ml of 0.1N NaOH | 0.5ml |
Light absorption | A (1% 1 cm 254nm) 7.0-9.0 A (1% 1cm 284nm) 42.0-45.0 | 7.5 42.6 |
Free tocopherol | ≤1.0% | 0.14% |
Heavy metals | ≤20ppm | <10ppm |
Sulphated ash | ≤0.1% | 0.03% |
Total plate count | ≤1000cfu/g | 300cfu/g |
Yeast & Mold | ≤100cfu/g | 30cfu/g |
E. coli | Negative | Conform |
Salmonella | Negative | Conform |
Coliforms | Negative | Conform |
Orgainc volatile impurites | Conform | Conform |
Conclusion: Conforms to USP31
PRODUCT NAME: Vitamin E Oil (DL-Alpha-Tocophery Acetate 98% Min.)
ITEM | STANDARD | RESULTS |
Appearance | Clear, Slightly greenish-yellow, viscous, oily liquid | Conform |
Assay (%) | 98%-102% | 98.8% |
Solubility | Practically insoluble in water, freely soluble in absolute ethanol, in acdetone, in chlormform, in ether and in fixed oils, soluble in ethanol (98%) | Conform |
Identification | A: Colour test; B: Optical rotataion test; C: The retention time of the sample preparation is the same as that of the standard preparation | Meets A, B, C tests |
Acidity | Max 1.0ml of 0.1N NaOH | 0.5ml |
Light absorption | A (1% 1 cm 254nm) 7.0-9.0 A (1% 1cm 284nm) 42.0-45.0 | 7.5 42.6 |
Free tocopherol | ≤1.0% | 0.14% |
Heavy metals | ≤20ppm | <10ppm |
Sulphated ash | ≤0.1% | 0.03% |
Total plate count | ≤1000cfu/g | 300cfu/g |
Yeast & Mold | ≤100cfu/g | 30cfu/g |
E. coli | Negative | Conform |
Salmonella | Negative | Conform |
Coliforms | Negative | Conform |
Orgainc volatile impurites | Conform | Conform |
Conclusion: Conforms to USP31